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27806214130 = 2529510118797
BaseRepresentation
bin11001111001011000…
…010010011111110010
32122202212022000220121
4121321120102133302
5423421342323010
620435103400454
72003030630452
oct317130223762
978685260817
1027806214130
1110879979262
1254802b312a
132811a2b056
1414bad47d62
15acb2383da
hex6796127f2

27806214130 has 32 divisors (see below), whose sum is σ = 51789993840. Its totient is φ = 10736275200.

The previous prime is 27806214091. The next prime is 27806214133. The reversal of 27806214130 is 3141260872.

It can be written as a sum of positive squares in 8 ways, for example, as 6947055801 + 20859158329 = 83349^2 + 144427^2 .

It is not an unprimeable number, because it can be changed into a prime (27806214133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1469892 + ... + 1488688.

Almost surely, 227806214130 is an apocalyptic number.

27806214130 is a deficient number, since it is larger than the sum of its proper divisors (23983779710).

27806214130 is a wasteful number, since it uses less digits than its factorization.

27806214130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23934.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 27806214130 in words is "twenty-seven billion, eight hundred six million, two hundred fourteen thousand, one hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 5101 10202 18797 25505 37594 51010 93985 147929 187970 295858 545113 739645 1090226 1479290 2725565 5451130 95883497 191766994 479417485 958834970 2780621413 5561242826 13903107065 27806214130